Digital Tools




		Digital Simulators Digital Simulator : Digital Simulator has a toolbar of digital circuit elements, including logic gates, flip-flops, switches, and indicators. Drawing a circuit with Digital Simulator is like using a paint program. You click the element icon on the toolbar, then click where you want the element to go. You use a similar procedure to draw wires and indicate connections. It's that simple. Edison 4 for Windows : Edison Version 4 provides a unique new environment for learning electricity and electronics. Teachers, students and electronics enthusiasts can use digitally scanned photo realistic components, a solderless breadboard, virtual instruments, sound and animation to create, test, and safely repair lifelike 3D circuits and simultaneously see the corresponding circuit schematic. Edison also comes with over 100 experiments and problems that teachers and students can use immediately. Aimspice : download a student version from their site. Anasoft : Schematics entry integrated with industry standard SPICE 3f5 engine, the demo which can be downloaded from the website seems to work well. Your own symbols and components can be added via the symbol editor. Beige Bag : A neat looking integrated simulator on their site, with a 30 day fully functional trial version. Lots of models too... Check it out! Circuit Designer Pro : A very neat integrated package with PCB auto router. Demo is functional for 45 days, but will not save or print. Also contains some vacuum tube models which drop straight on, and an example of a vacuum tube power amp. [6MB]. Eagle schematics and PCB layout : This is not a simulator, but a schematic capture and routing tool which I understand can integrate with SPICE. Includes auto-routing facility, and a large library of components. Hobbyists edition available for non-commercial use, free of charge with a maximum board size of 100mm x 80mm with two layers. EAGLE runs on Windows(r) 95, Windows NT(r), Linux and MS-DOS(r), and registered editions start at $49 which includes telephone tech support. Electronic Workbench : Very easy to use with package scaling for Personal, Student and Pro versions. Uses real world DMM's and Scopes to provide results of simulations. Integrated PCB placement software now available too. MicroCap 5 : Costs $3,495 although a student/demo version is available for download [1.75MB]. Orcad : The makers of Pspice integrated schematic capture, simulation, and PCB routing suite. All of their tools are available on a CD which is sent free on request - this is a fully working suite limited to 60 components and some restrictions on the libraries SIMetrix : A UK developed simulator with schematic capture linked to spice 3.x. You can download an almost fully functional demo, limited by a 30 second run time (2 megs in size). TopSpice by Penzar : "An affordable integrated computer-aided circuit design software package offering advanced native mixed-mode mixed-signal analog/digital/behavioral simulation based on the industry standard SPICE program." More news when I've checked their demo out (2mb). Winspice3 by Mike Smith : An excellent port to Windows 95/NT of the traditional SPICE 3f4 engine. Now enhanced to handle some of the 2g6 specific statements.

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